@article{ref1,
title="Mountain Climbing Accidents in United States",
journal="New England journal of medicine",
year="1963",
author="Ferris, B. G. Jr",
volume="268",
number="8",
pages="430-430",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}